EP3658797A1 - Bremsscheibe und verfahren zur herstellung einer bremsscheibe - Google Patents
Bremsscheibe und verfahren zur herstellung einer bremsscheibeInfo
- Publication number
- EP3658797A1 EP3658797A1 EP18742445.2A EP18742445A EP3658797A1 EP 3658797 A1 EP3658797 A1 EP 3658797A1 EP 18742445 A EP18742445 A EP 18742445A EP 3658797 A1 EP3658797 A1 EP 3658797A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coating
- brake disc
- chromium
- tungsten
- nickel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 title claims description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 38
- 238000000576 coating method Methods 0.000 claims abstract description 38
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 19
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 18
- 239000011651 chromium Substances 0.000 claims abstract description 18
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910018487 Ni—Cr Inorganic materials 0.000 claims abstract description 17
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims abstract description 11
- QNHZQZQTTIYAQM-UHFFFAOYSA-N chromium tungsten Chemical compound [Cr][W] QNHZQZQTTIYAQM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910003470 tongbaite Inorganic materials 0.000 claims abstract description 9
- 229910001060 Gray iron Inorganic materials 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 21
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 18
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 239000011159 matrix material Substances 0.000 claims description 6
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 2
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 2
- MRZDCFAGABOHQQ-UHFFFAOYSA-N chromium(3+);dioxido(dioxo)tungsten Chemical compound [Cr+3].[Cr+3].[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O MRZDCFAGABOHQQ-UHFFFAOYSA-N 0.000 claims description 2
- USPVIMZDBBWXGM-UHFFFAOYSA-N nickel;oxotungsten Chemical compound [Ni].[W]=O USPVIMZDBBWXGM-UHFFFAOYSA-N 0.000 claims description 2
- 239000002344 surface layer Substances 0.000 claims 3
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 claims 1
- 230000003647 oxidation Effects 0.000 abstract description 9
- 238000007254 oxidation reaction Methods 0.000 abstract description 9
- 229910001120 nichrome Inorganic materials 0.000 abstract description 5
- 229910001018 Cast iron Inorganic materials 0.000 description 12
- 239000002347 wear-protection layer Substances 0.000 description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 150000001247 metal acetylides Chemical class 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- -1 tungsten carbides Chemical class 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 239000002318 adhesion promoter Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 238000010285 flame spraying Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Compositions of linings; Methods of manufacturing
- F16D69/027—Compositions based on metals or inorganic oxides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/12—Discs; Drums for disc brakes
- F16D65/125—Discs; Drums for disc brakes characterised by the material used for the disc body
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/12—Discs; Drums for disc brakes
- F16D65/127—Discs; Drums for disc brakes characterised by properties of the disc surface; Discs lined with friction material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D2065/13—Parts or details of discs or drums
- F16D2065/1304—Structure
- F16D2065/132—Structure layered
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0004—Materials; Production methods therefor metallic
- F16D2200/0008—Ferro
- F16D2200/0013—Cast iron
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0034—Materials; Production methods therefor non-metallic
- F16D2200/0039—Ceramics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0078—Materials; Production methods therefor laminated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0038—Surface treatment
- F16D2250/0046—Coating
Definitions
- the present invention relates to a brake disc and a method for
- Brake discs have the task to transmit the braking torque at a deceleration of the vehicle on the axis and to temporarily store the kinetic energy occurring during braking in the form of heat and subsequently deliver again via line, radiation and convection.
- Wear-resistant brake discs are manufactured using either very expensive all-ceramic brake discs or cast iron (GG) discs using thermal spray techniques such as HVOF
- a wear protection layer is sprayed.
- WC-based powder is often used, which leads to high wear resistance.
- Such a brake disc is shown in DE 10 2011 087 136 AI.
- the invention is based on a brake disk with at least one friction surface consisting of a main body.
- the main body can be made of gray cast iron.
- At least one coating is applied to at least parts of the friction surface.
- the essence of the invention is that the coating contains at least tungsten chromium carbide (W, Cr) 2 C and nickel-chromium NiCr.
- the coating further contains tungsten carbide WC.
- the tungsten chromium carbide (W, C 2C) is tungsten carbide W2C, in which chromium is incorporated in different amounts, therefore this mixed carbide is called (W, C 2C)
- This phase has excellent oxidation resistance and good wear resistance even at high temperatures up to 800 ° C.
- the high-temperature strength and oxidation resistance of nickel by the alloy with chromium clearly increase.
- tungsten carbide WC are embedded substantially uniformly in a matrix phase of tungsten-chromium carbide (W, Cr) 2C and nickel-chromium NiCr.
- Layer surface form a very thin and dense oxide layer, which may contain in particular at least nickel tungsten oxide NiW0 and / or chromium tungsten oxide CrW0 4 and / or chromium oxide Cr203 and / or tungsten oxide WO3.
- the formation of the oxide layer considerably slows down the further oxidation process of the wear protection layer, which very effectively avoids oxidation and a loss of functionality of the coating at high temperatures.
- the coating according to the invention can be applied directly to the base body. It is provided in particular that the coating is applied to a machined or modified surface of the base body. But the coating according to the invention can also by means of at least one
- Intermediate layer may be applied to the base body, wherein the intermediate layer may be a metallic intermediate layer containing, for example, nickel Ni. But the intermediate layer can also by means of a treatment of the surface of the base body, wherein the intermediate layer may be a metallic intermediate layer containing, for example, nickel Ni. But the intermediate layer can also by means of a treatment of the surface of the base body, wherein the intermediate layer may be a metallic intermediate layer containing, for example, nickel Ni. But the intermediate layer can also by means of a treatment of the surface of the
- Basic body for example, by a remelting process, be realized.
- the invention also relates to the production of a brake disk with at least one friction surface made of one, in particular made of cast iron, and at least one coating applied to at least parts of the friction surface.
- the essence of the invention relates to the step of coating at least parts of the friction surface with at least tungsten chromium carbide ((W, Cr) 2C) and nickel-chromium (NiCr).
- FIG. 1 shows a perforated and coated brake disc according to the prior art.
- FIG. 2 shows a transverse section of a coating coated according to the invention
- FIG. 3 shows the production method according to the invention. Description of exemplary embodiments
- the brake disk 1 shown in Figure 1 has a circular ring-shaped brake ring 2 and a one-piece with the brake ring 2 and coaxial, cup-shaped hub 3.
- the friction ring 2 forms the actual brake disc.
- the brake disc 1 is ventilated, its brake ring 2 is double-walled. Outer faces of the brake ring 2 form annular disc-shaped friction surfaces 4 of the brake disc 1.
- the friction surfaces 4 are the surfaces of the brake disc 1, against the friction brake linings, not shown, are pressed to brake the brake disc 1 by friction.
- the brake disc 1 is perforated, d. H. it has holes 5, which the
- the brake disc 1 is made of gray cast iron or a steel alloy.
- the friction surfaces 4 of the brake disc 1 are provided with a surface coating which increases wear resistance and corrosion resistance.
- the surface coating may be a thermal powder coating applied, for example, by flame or arc spraying.
- Surface coating of the friction surfaces 4 may carbides, in particular
- Metal carbides for example chromium or tungsten carbides, which are embedded in a matrix, in particular a metallic matrix, for example, nickel or cobalt.
- the wear resistance and corrosion resistance increasing surface coating of the friction surfaces 4 may be one or more layers.
- the core of the invention according to the illustrated embodiment is, as already mentioned, the use of a wear protection layer on cast iron
- Brake discs consisting of tungsten carbide WC, tungsten chromium carbide (W, C 2C and nickel-chromium NiCr) (W, C 2C is tungsten carbide W2C, which is known per se and incorporates chromium of different amounts Mixed carbide referred to as (W, C 2C.) This phase has excellent oxidation resistance and good wear resistance even at high
- WC is uniformly incorporated in the matrix phase of (W, Cr) 2C and NiCr. From a brake temperature of about 600 ° C, it will be at the Layer surface form a very thin dense oxide layer, which may include N1WO4, CrW0 4 , O2O3 or WO3. The formation of this oxide layer significantly slows down the further oxidation process of the wear protection layer, which significantly avoids the oxidation and loss of functionality of the coating at high temperatures.
- FIG. 2 shows the cross section of a WC (W, Cr) 2 C-NiCr coated one
- the reference numeral 201 the cast iron base body (etched, with
- Phase transformation Phase transformation
- 202 is a nickel interlayer
- 203 is the WC (W, Cr) 2 C-NiCr layer.
- the oxide layer formed on the surface of the wear protection layer 203 is so thin that it can not be observed from the micrograph. After the fading test, the surface of the wear protection layer 203 is still smooth and the layer thickness is almost the same as when new, which means that the layer was almost not worn after the test above 800 ° C.
- WC- (W, Cr) 2C-NiCr coated cast iron brake disks is a direct coating of the wear protection layer by means of high velocity flame spraying (HVOF) on the cast iron base body.
- HVOF high velocity flame spraying
- the surface of the cast iron base may be protected from HVOF coating by e.g. Sandblasting to be roughened.
- Nickel-based alloys used as the metallic intermediate layer.
- compositions of the WC (W, Cr) 2C-NiCr wear protection layer are:
- step 801 the basic body designed as cast iron in this embodiment is provided. Subsequently, in step 802, the friction surface of the base body is treated as mentioned above.
- step 803 the friction surface of the main body is covered with the above-mentioned intermediate layer.
- Step 804 is then applied the coating of the invention.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017212706.6A DE102017212706A1 (de) | 2017-07-25 | 2017-07-25 | Bremsscheibe und Verfahren zur Herstellung einer Bremsscheibe |
PCT/EP2018/068912 WO2019020390A1 (de) | 2017-07-25 | 2018-07-12 | Bremsscheibe und verfahren zur herstellung einer bremsscheibe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3658797A1 true EP3658797A1 (de) | 2020-06-03 |
EP3658797B1 EP3658797B1 (de) | 2021-06-02 |
Family
ID=62948098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18742445.2A Active EP3658797B1 (de) | 2017-07-25 | 2018-07-12 | Bremsscheibe und verfahren zur herstellung einer bremsscheibe |
Country Status (7)
Country | Link |
---|---|
US (1) | US20200217382A1 (de) |
EP (1) | EP3658797B1 (de) |
JP (1) | JP6997288B2 (de) |
KR (1) | KR102566568B1 (de) |
CN (1) | CN110914569A (de) |
DE (1) | DE102017212706A1 (de) |
WO (1) | WO2019020390A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201700086975A1 (it) * | 2017-07-28 | 2019-01-28 | Freni Brembo Spa | Metodo per realizzare un disco freno e disco freno per freni a disco |
DE102019207292A1 (de) * | 2019-05-18 | 2020-11-19 | Robert Bosch Gmbh | Reibbremskörper für eine Reibbremse eines Kraftfahrzeugs, Reibbremse und Verfahren zum Herstellen eines Reibbremskörpers |
DE102019207290A1 (de) * | 2019-05-18 | 2020-11-19 | Robert Bosch Gmbh | Reibbremskörper für eine Reibbremse eines Kraftfahrzeugs, Verfahren zur Herstellung, Reibbremse |
IT201900012180A1 (it) * | 2019-07-17 | 2021-01-17 | Itt Italia Srl | Rivestimenti per dischi freno, metodo per la riduzione dell'usura e della corrosione, e disco freno associato |
US11614137B2 (en) | 2020-12-21 | 2023-03-28 | Itt Italia S.R.L. | Coatings for brake discs, method for reducing wear and associated brake disc |
US11614134B2 (en) | 2020-12-22 | 2023-03-28 | Itt Italia S.R.L. | Coatings for brake discs, method for reducing wear and corrosion and associated brake disc |
US11718886B2 (en) * | 2021-02-22 | 2023-08-08 | Robert Bosch Gmbh | Method for producing a brake element, brake element |
DE102021128374B4 (de) * | 2021-10-29 | 2023-10-26 | IMPACT-Innovations-GmbH | Verfahren zur Herstellung einer Bremsscheibe und Bremsscheibe |
PL445231A1 (pl) * | 2023-06-15 | 2024-04-22 | Politechnika Poznańska | Sposób laserowego stopowania żeliwa |
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DE3033139A1 (de) * | 1980-09-03 | 1982-04-08 | Alfred Teves Gmbh, 6000 Frankfurt | Vorrichtung mit einer reibpaarung, insbesondere reibungsbremse oder reibungskupplung |
AU547217B2 (en) * | 1981-10-12 | 1985-10-10 | International Standard Electric Corp. | Engaging friction elements |
CA2124945A1 (en) * | 1991-12-17 | 1993-06-24 | Alliedsignal Inc. | Lightweight and high thermal conductivity brake rotor |
FR2717874B1 (fr) * | 1994-03-25 | 1996-04-26 | Gec Alsthom Transport Sa | Disque multimatériaux pour freinage à haute énergie. |
US5964322A (en) * | 1997-11-06 | 1999-10-12 | Otis Elevator Company | Elevator safety brake having a plasma sprayed friction coating |
JP2001234320A (ja) * | 2000-02-17 | 2001-08-31 | Fujimi Inc | 溶射粉末材、およびそれを使用した溶射方法並びに溶射皮膜 |
US6634781B2 (en) * | 2001-01-10 | 2003-10-21 | Saint Gobain Industrial Ceramics, Inc. | Wear resistant extruder screw |
JP2003035090A (ja) * | 2001-07-25 | 2003-02-07 | Fujimi Inc | 掘削用カッタビット |
JP2007010056A (ja) * | 2005-06-30 | 2007-01-18 | Akebono Brake Ind Co Ltd | ディスクブレーキ |
JP2008144281A (ja) | 2008-02-27 | 2008-06-26 | Isle Coat Ltd | 軽量合金を基礎とする保護用多機能複合被膜 |
JP5185894B2 (ja) | 2009-07-29 | 2013-04-17 | 三島光産株式会社 | 連続鋳造用鋳型の製造方法 |
DE102010014267A1 (de) * | 2010-04-08 | 2011-10-13 | H.C. Starck Gmbh | Dispersionen, sowie Verfahren zur deren Herstellung und deren Verwendung |
DE102011087136A1 (de) | 2011-11-25 | 2013-05-29 | Robert Bosch Gmbh | Bremsscheibe |
DE102011089923A1 (de) * | 2011-12-27 | 2013-06-27 | Robert Bosch Gmbh | Verfahren zur Beschichtung einer Bremsscheibe und mit dem Verfahren hergestellte Bremsscheibe |
DE102011089918A1 (de) * | 2011-12-27 | 2013-06-27 | Robert Bosch Gmbh | Bremsscheibe |
CN102839313B (zh) * | 2012-08-14 | 2014-06-18 | 四川理工学院 | 纳米Cr3C2-WC-N复合粉末及其制备方法 |
DE102014008844A1 (de) * | 2014-06-14 | 2015-12-17 | Daimler Ag | Bremsscheibe für ein Kraftfahrzeug |
SG10201912874XA (en) * | 2015-11-09 | 2020-02-27 | Vetco Gray Inc | Powder coating compositions for reducing friction and wear in high temperature high pressure applications |
CN106219547B (zh) * | 2016-07-21 | 2018-08-21 | 株洲硬质合金集团有限公司 | 一种固-液掺杂法制备含Cr的超细WC粉的方法 |
-
2017
- 2017-07-25 DE DE102017212706.6A patent/DE102017212706A1/de active Pending
-
2018
- 2018-07-12 US US16/627,558 patent/US20200217382A1/en active Pending
- 2018-07-12 WO PCT/EP2018/068912 patent/WO2019020390A1/de unknown
- 2018-07-12 JP JP2020503995A patent/JP6997288B2/ja active Active
- 2018-07-12 CN CN201880049756.1A patent/CN110914569A/zh active Pending
- 2018-07-12 EP EP18742445.2A patent/EP3658797B1/de active Active
- 2018-07-12 KR KR1020207002442A patent/KR102566568B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
WO2019020390A1 (de) | 2019-01-31 |
JP6997288B2 (ja) | 2022-01-17 |
CN110914569A (zh) | 2020-03-24 |
EP3658797B1 (de) | 2021-06-02 |
JP2020528530A (ja) | 2020-09-24 |
DE102017212706A1 (de) | 2019-01-31 |
KR102566568B1 (ko) | 2023-08-16 |
KR20200029489A (ko) | 2020-03-18 |
US20200217382A1 (en) | 2020-07-09 |
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